Opening the keyboard shortcut window (with shift+? or cliking the [?] in the left down corner of WME)You can select a lign and set (almost) what ever shortcut you like using combination ofAlt shift ctrl

If you shose one shortcut already set to anotber function it'll be affected to the new one and the other one won't have any

If the shortcut already belong to a browser function this one 'll be execute before script's one